TUGAS SUBNETTING KELAS A
20.20.20.10 /12
11111111.11110000.00000000.00000000
255 . 240. 0. 0.
X = 4
Y = 20
— subnetmask : 255.240.0.0
— jumlah subnet : 2⁴ = 16
— jumlah per subnet : 2²⁰ - 2 = 1.048.576 - 2 = 1.048.574 PC
— blok subnet : 256-240 = 16 (0, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 240, 256.

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